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      <P align=center><FONT size=2>定义</FONT></P></TD>
    <TD width=680><FONT size=2><STRONG><FONT color=#0000ff>C++：</FONT></STRONG><br>void Blend_Gray(void* SrcAddr, int SrcPitch, int SrcLineS, void* DstAddr, int DstPitch, int DstLineS, int w, int h, int bpp, int param);<br><br><STRONG><FONT color=#0000ff>FreeBasic：</FONT></STRONG><br>Sub Blend_Gray(SrcAddr As Any Ptr, SrcPitch As Integer, SrcLineS As Integer, DstAddr As Any Ptr, DstPitch As Integer, DstLineS As Integer, w As Integer, h As Integer, bpp As Integer, param As Integer)<br><br><STRONG><FONT color=#0000ff>SDK_C：</FONT></STRONG><br>暂未公布<br><br><STRONG><FONT color=#0000ff>SDK_BASIC：</FONT></STRONG><br>暂未公布<br><br><STRONG><FONT color=#0000ff>SDK_Pascal：</FONT></STRONG><br>暂未公布<br><br><STRONG><FONT color=#0000ff>SDK_易语言：</FONT></STRONG><br>暂未公布<br><br></FONT></TD></TR>
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      <P align=center><FONT size=2>功能</FONT></P></TD>
    <TD width=680><FONT size=2><br>Blend效果混合器 灰度输出 实现函数。<br><br></FONT></TD></TR>
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      <P align=center><FONT size=2>参数</FONT></P></TD>
    <TD width=680><FONT size=2><br>可参考：<A 
      href="../../def/backcall.htm">数据参考.回调函数</A>。<br><br></FONT></TD></TR>
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      <P align=center><FONT size=2>返回值</FONT></P></TD>
    <TD width=680><FONT size=2><br>无返回值。<br><br></FONT></TD></TR>
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      <P align=center><FONT size=2>补充说明</FONT></P></TD>
    <TD width=680><FONT size=2><br>xge::Surface.Draw_Gray 使用此函数实现。<br>此函数尽在特殊情况下有用，引擎内部使用函数导出。<br><br></FONT></TD></TR>
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      <P align=center><FONT size=2>使用范例</FONT></P></TD>
    <TD width=680><FONT size=2><br><STRONG><FONT color=#0000ff>C++：</FONT></STRONG><br>无范例。<br><br><STRONG><FONT color=#0000ff>FreeBasic：</FONT></STRONG><br>无范例。</FONT></TD></TR></TABLE></P>
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